function validEmail(email){
	var re = /^\w+([/.-]\w+)*@/w+([/.-]?\w+)*(\.\w{2,3})+$/;
	return re.test(emial);
}
function split1(strings){
	var arr = new Array;
	var lat = new Array;
	var lng = new Array;
	
	var re = /^w+[,\s]+/;
	var arr = strings.split(re);
	
	for(var i = 0; i < arr.length/5; i++){
		lat[i] = arr[i*5 + 3];
		lng[i] = arr[i*5 + 4];
	}
	return lat;
}
function split2(strings){
	var arr = new Array;
	var lat = new Array;
	var lng = new Array;
	
	var re = /^w+[,\s]+/;
	var arr = strings.split(re);
	
	for(var i = 0; i < arr.length/5; i++){
		lat[i] = arr[i*5 + 3];
		lng[i] = arr[i*5 + 4];
	}
	return lng;
}